Peat, which has industrial importance as a fuel in some regions, for example, Ireland and Finland. In its dehydrated form, peat is a highly effective absorbent for fuel and oil spills on land and water. Lignite (brown coal) is the lowest rank of coal and is used as fuel for electric power generation.
You can perform the following tasks only on a dynamic disk: 1  Create and delete simple, spanned, striped, mirrored, and RAID-5 volumes. 2  Extend a simple or spanned volume. 3  Remove a mirror from a mirrored volume or break the mirrored volume into two volumes.  Repair mirrored or RAID-5 1  volumes. Reactivate a missing or offline disk.
Benefits of a Virtual Tape Library (VTL) system. Improved backup and restore times. Disk based backup offers faster backup and restore times. Sequential access of data is still maintained by VTL system by writing the backup data to disk in a sequential manner.